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Lines Matching refs:y_start

275     int y_start = MACROBLOCK_VPOS(mb_y);
278 y_start -= extra_y_rows;
295 if (dec->alpha_data_ != NULL && y_start < y_end) {
298 io->a = VP8DecompressAlphaRows(dec, y_start, y_end - y_start);
304 if (y_start < io->crop_top) {
305 const int delta_y = io->crop_top - y_start;
306 y_start = io->crop_top;
315 if (y_start < y_end) {
322 io->mb_y = y_start - io->crop_top;
324 io->mb_h = y_end - y_start;